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Canada Gazette, Part I, Volume 153, Number 16: GOVERNMENT NOTICES

April 20, 2019

DEPARTMENT OF THE ENVIRONMENT

CANADIAN ENVIRONMENTAL PROTECTION ACT, 1999

Order 2019-87-04-02 Amending the Non-domestic Substances List

Whereas, pursuant to subsection 87(5) of the Canadian Environmental Protection Act, 1999footnote a, the Minister of the Environment has added the substance referred to in the annexed Order to the Domestic Substances Listfootnote b;

Therefore, the Minister of the Environment, pursuant to subsection 87(5) of the Canadian Environmental Protection Act, 1999footnote a, makes the annexed Order 2019-87-04-02 Amending the Non-domestic Substances List.

Gatineau, April 3, 2019

Catherine McKenna
Minister of the Environment

Order 2019-87-04-02 Amending the Non-domestic Substances List

Amendment

1 Part I of the Non-domestic Substances List footnote 1 is amended by deleting the following:

34503-11-2

Coming into Force

2 This Order comes into force on the day on which Order 2019-87-04-01 Amending the Domestic Substances List comes into force.

Whereas diazenedicarboxamide is a substance identified under subsection 73(1) of the Canadian Environmental Protection Act, 1999;

Whereas a summary of the draft screening assessment conducted on diazenedicarboxamide pursuant to section 74 of the Act is annexed hereby;

And whereas it is proposed to conclude that diazenedicarboxamide does not meet any of the criteria set out in section 64 of the Act,

Notice therefore is hereby given that the Minister of the Environment and the Minister of Health (the ministers) propose to take no further action on this substance at this time under section 77 of the Act.

Public comment period

As specified under subsection 77(5) of the Canadian Environmental Protection Act, 1999, any person may, within 60 days after publication of this notice, file with the Minister of the Environment written comments on the measure the ministers propose to take and on the scientific considerations on the basis of which the measure is proposed. More information regarding the scientific considerations may be obtained from the Canada.ca (Chemical Substances) website. All comments must cite the Canada Gazette, Part I, and the date of publication of this notice and be sent to the Executive Director, Program Development and Engagement Division, Department of the Environment, Gatineau, Quebec K1A 0H3, by fax to 819‑938‑5212, or by email to eccc.substances.eccc@canada.ca. Comments can also be submitted to the Minister of the Environment using the online reporting system available through Environment and Climate Change Canada’s Single Window.

In accordance with section 313 of the Canadian Environmental Protection Act, 1999, any person who provides information in response to this notice may submit with the information a request that it be treated as confidential.

Jacqueline Gonçalves
Director General
Science and Risk Assessment Directorate
On behalf of the Minister of the Environment

David Morin
Director General
Safe Environments Directorate
On behalf of the Minister of Health

ANNEX

Summary of the draft screening assessment of diazenedicarboxamide

Pursuant to section 74 of the Canadian Environmental Protection Act, 1999 (CEPA), the Minister of the Environment and the Minister of Health have conducted a screening assessment of diazenedicarboxamide under the Chemicals Management Plan. The Chemical Abstracts Service Registry Number (CAS RN) for diazenedicarboxamide is 123-77-3. This substance was identified as a priority for assessment, as it met the categorization criteria under subsection 73(1) of CEPA.

Diazenedicarboxamide does not occur naturally in the environment.

During the 2011 calendar year, diazenedicarboxamide was not reported to be manufactured in Canada above the reporting threshold of 100 kg. During that same period, 100 000 to 1 000 000 kg of the substance were reported to be imported into Canada. Diazenedicarboxamide was reported to have commercial uses in the food and beverage industry, and in the manufacture of polyvinyl chloride for building or construction materials. The substance was also reported to be used in automotive manufacturing and fabrication of floor coverings in Canada.

Additional uses in Canada include its use as a permitted food additive, and as a component in polyvinyl chloride closure-based food packaging materials, such as liners and gaskets.

The ecological risk of diazenedicarboxamide was characterized using the ecological risk classification of organic substances (ERC), which is a risk-based approach that employs multiple metrics for both hazard and exposure, with weighted consideration of multiple lines of evidence for determining risk classification. Hazard profiles are based principally on metrics regarding mode of toxic action, chemical reactivity, food web–derived internal toxicity thresholds, bioavailability, and chemical and biological activity. Metrics considered in the exposure profiles include potential emission rate, overall persistence, and long-range transport potential. A risk matrix is used to assign a low, moderate or high level of potential concern for substances on the basis of their hazard and exposure profiles. Based on the outcome of the ERC analysis, diazenedicarboxamide is considered unlikely to be causing ecological harm.

Considering all available lines of evidence presented in this draft screening assessment, there is a low risk of harm to the environment from diazenedicarboxamide. It is proposed to conclude that diazenedicarboxamide does not meet the criteria under paragraph 64(a) or (b) of CEPA, as it is not entering the environment in a quantity or concentration or under conditions that have or may have an immediate or long-term harmful effect on the environment or its biological diversity or that constitute or may constitute a danger to the environment on which life depends.

Diazenedicarboxamide has previously been assessed through the Organisation for Economic Co-operation and Development (OECD) Cooperative Chemicals Programme, and an OECD Screening and Information Dataset Initial Assessment Report (SIAR) is available. This report was used to inform the health effects section of this screening assessment. Effects in laboratory studies, including effects on the kidney, were observed at high doses. When used as a permitted food additive, diazenedicarboxamide decomposes relatively quickly in wet flour and when subjected to high temperature treatment. Due to typical baking conditions, dietary exposure from use as a permitted food additive is expected to be negligible. Exposure from its use in food packaging is not expected as there is no direct contact with the food.

There is a potential for dermal contact with diazenedicarboxamide via use of foam or rubber products manufactured with this substance. However, the residual levels of diazenedicarboxamide expected to be present in products available to consumers are expected to result in only minimal dermal exposure. Potential exposure via inhalation is not expected due to the negligible vapour pressure of the substance. On the basis of these considerations, exposure for the general population is expected to be minimal and the potential risk to human health is considered to be low.

On the basis of the information presented in this draft screening assessment, it is proposed to conclude that diazenedicarboxamide does not meet the criteria under paragraph 64(c) of CEPA, as it is not entering the environment in a quantity or concentration or under conditions that constitute or may constitute a danger in Canada to human life or health.

Proposed conclusion

It is proposed to conclude that diazenedicarboxamide does not meet any of the criteria set out in section 64 of CEPA.

PRIVY COUNCIL OFFICE

Appointment opportunities

We know that our country is stronger — and our government more effective — when decision-makers reflect Canada’s diversity. The Government of Canada has implemented an appointment process that is transparent and merit-based, strives for gender parity, and ensures that Indigenous peoples and minority groups are properly represented in positions of leadership. We continue to search for Canadians who reflect the values that we all embrace: inclusion, honesty, fiscal prudence, and generosity of spirit. Together, we will build a government as diverse as Canada.

We are equally committed to providing a healthy workplace that supports one’s dignity, self-esteem and the ability to work to one’s full potential. With this in mind, all appointees will be expected to take steps to promote and maintain a healthy, respectful and harassment-free work environment.

The Government of Canada is currently seeking applications from diverse and talented Canadians from across the country who are interested in the following positions.

Current opportunities

The following opportunities for appointments to Governor in Council positions are currently open for applications. Every opportunity is open for a minimum of two weeks from the date of posting on the Governor in Council Appointments website.

The Chemical Abstracts Service Registry Number (CAS RN) is the property of the American Chemical Society, and any use or redistribution, except as required in supporting regulatory requirements and/or for reports to the Government of Canada when the information and the reports are required by law or administrative policy, is not permitted without the prior, written permission of the American Chemical Society.